| 摘要 |
PROBLEM TO BE SOLVED: To provide a fluorescent discharge tube which can increase the amount of a fluorescent substance disposed on a surface of an air-tight container. SOLUTION: The fluorescent discharge tube 10 is configured such that a pair of discharge electrodes 20, 20 and a discharge gas are enclosed inside the air-tight container 18 composed of a translucent material through which light such as ultraviolet light and visible light to excite the phosphor 30 is transmitted, and that a fluorescent sheet 32 obtained by making the phosphor 30 deposited and carried on the surface of fibers 28, the surface of which 28 per unit volume is very large, constituting a nonwoven fabric 26 is coated on the outer surfaces of straight tubes 12, 12 of the air-tight container 18. COPYRIGHT: (C)2009,JPO&INPIT
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